My bike tool kit has a 15 mm pedal wrench. I was about to remove my pedals, and then noticed that the wrench was too bg. I thought that was odd as every pedal wrench I have ever seen was 15 mm. So, I went to my wife's bike, and our spare bike, and the pedal wrench was too big for them as well.
1. Is it so common to have pedals which require a 14 mm or 13 mm pedal wrench?
2. Do pedal wrenches even come in 14 or 13 mm?